LTC4303 LINER [Linear Technology], LTC4303 Datasheet - Page 12

• Manufacturer Part Number: LTC4303
• Description: Hot Swappable 2-Wire Bus Buffer with Stuck Bus Recovery
• Manufacturer: LINER [Linear Technology]

RELATED PARTS
LTC4303
TYPICAL APPLICATIO
PART NUMBER
LTC1380/LTC1393
LTC1427-50
LTC1623
LTC1663
LTC1694/LTC1694-1
LT1786F
LTC1695
LTC1840
LTC4300A-1/LTC4300A-2 Hot Swappable 2-Wire Bus Buffer
LTC4300A-3
LTC4301
LTC4301L
LTC4302-1/LTC4302-2
LTC4304
ThinSOT is a trademark of Linear Technology Corporation.
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
MICROPROCESSOR
●
DESCRIPTION
Single-Ended 8-Channel/Differential 4-Channel Analog
Mux with SMBus Interface
Micropower, 10-Bit Current Output DAC
with SMBus Interface
Dual High Side Switch Controller with SMBus Interface
SMBus Interface 10-Bit Rail-to-Rail Micropower DAC
SMBus Accelerator
SMBus Controlled CCFL Switching Regulator
SMBus/I
Dual I
Hot Swappable 2-Wire Bus Buffer
Supply Independent Hot Swappable 2-Wire Bus Buffer
Hot Swappable 2-Wire Bus Buffer
with Low Voltage Level Translation
Addressable 2-Wire Bus Buffer
Hot Swappable 2-Wire Bus Buffer with
Stuck Bus Recovery
FAX: [phone]
BACK_SDA
BACK_SCL
2
C Fan Speed Controller
FROM
2
C Fan Speed Controller in ThinSOT
5V
U
R1
10k
3.3V
Figure 6. System with Active Connection Control
●
www.linear.com
R2
10k
CONNECTOR
BACKPLANE
CONNECTOR
STAGGERED
TM
R5
100k
C1
0.01 F
ENABLE
SCLIN
SDAIN
COMMENTS
Low R
Expandable to 32 Single or 16 Differential Channels
Precision 50µA ± 2.5% Tolerance Over Temperature,
4 Selectable SMBus Addresses, DAC Powers up at Zero or Midscale
8 Selectable Addresses/16-Channel Capability
DNL < 0.75LSB Max, 5-Lead SOT-23 Package
Improved SMBus/I
Ensures Data Integrity with Multiple SMBus/I
1.25A, 200kHz, Floating or Grounded Lamp Confi gurations
0.75Ω PMOS 180mA Regulator, 6-Bit DAC
Two 100µA 8-Bit DACs, Two Tach Inputs, Four GPI0
Isolates Backplane and Card Capacitances
Provides Level Shifting and Enable Functions
Supply Independent
Allows Bus Pull-Up Voltages as Low as 1V on SDAIN and SCLIN
Address Expansion, GPIO, Software Controlled
Provides Automatic Clocking to Free Stuck I
for Stuck Bus, Level Shifting Functions
LTC4303
CARD
GND
V
ON
CC
: 35Ω Single-Ended/70Ω Differential,
SDAOUT
SCLOUT
READY
4303
2
C Rise-Time,
F06
R3
10k
© LINEAR TECHNOLOGY CORPORATION 2005
R4
10k
CARD_SCL
CARD_SDA
LT/LWI 0806 REV B • PRINTED IN USA
2
2
C Busses; Fault Flag
C Devices
4303fb